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US PATENTS IN 1880
DESCRIPTIONS AND CLAIMS OF SEVERAL AMERICAN PATENTS ISSUED IN THE YEAR 1880
This list of patents is far than be complete, further researches will be done, including patents for Needles and Knitting Machines.
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JANUARY 6, 1880
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FIRST US PATENT FOR THE YEAR 1880
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FEBRUARY 1880
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MARCH 1880
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APRIL 1880
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MAY 1880
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JUNE 1880
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Sewing Machine
This invention is, in part, applicable to all kinds of sewing machines, but some features of it are or may be limited in their application to machines of one or more particular classes; but the whole invention is capable of embodiment in a single machine, as illustrated in the accompanying drawings. One part of my invention relates to the take-up for taking up the needle-thread. The kind of take-up which employ is that in which the principal element is a vibrating arm or lever and this part of my invention consists in a novel construction and arrangement of the said lever and novel means of operating and controlling the operation of the same, whereby its efficiency is increased. Another part of my invention relates to the mechanism for feeding the cloth or material to be sewed. This part of my invention consists in a novel system of separately-adjust able fulcrum-slides and fulcrums for separately varying the movements of the feed-lever both horizontally and vertically, and thereby varying the relative horizontal and vertical movements of the feed-dog. This improvement in the feeding mechanism is applicable to sewing machines of various kinds. Another part of my invention relates to that class of sewing machines in which a loose bobbin-holder or thread-case containing the secondary or locking thread is arranged within an oscillating hook, which is employed to extend the loop of the needle-thread and it consists in a combination of the feeding-dog with the bobbin-holder, whereby the feeding dog in its downward motion is made to press on the bobbin-holder and so made to press the latter away from the position to which it has been brought in the tightening of the last previously-formed stitch, so that when the dog rises again the bobbin-holder may be left free for the passage of the loop of the needle-thread over or around the bobbin. This part of my invention also embraces means of providing for a regulated pressure of the feeding-dog.
June 15, 1880
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JULY 1880
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AUGUST 1880
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SEPTEMBER 1880
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OCTOBER 1880
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NOVEMBER 1880
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DECEMBER 1880
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DECEMBER 28, 1880
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LAST US PATENT FOR THE YEAR 1880
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US REISSUES IN 1880
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USRE 9.039 Hans Peter Henriksen
Glove-Sewing Machine
The object of my invention is to produce a glove-sewing machine by which every seam required on a glove can be sewed perfectly and conveniently whit either a straight or a zigzag seam and by a lock-stitch. My invention consists in the combination, in a sewing machine, of a needle, a presser-foot, a rotary cam for imparting a longitudinal motion to said presser-foot in one direction, an other rotary cam for imparting all oscillating motion to said presser-foot in one direction, springs for imparting a longitudinal and an oscillating movement to said presser-foot in the opposite direction and an adjustable stop moving with said presser-foot and acting against a stationary part of the face-plate of the machine, for limiting the oscillation of said presser-foot, whereby I produce a convenient means for effecting the operation of the presser-foot...
Assignor to himself and Ludvig Hansen
January 13, 1880
Specification forming part of Letters Patent
US 188.515 March 20, 1877
Patented in Denmark, February 5, 1874
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US PATENTS IN ...
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1842 1843 1844 1845 1846 1847 1848 1849
1850 1851 1852 1853 1854 1855 1856 1857 1858 1859
1860 1861 1862 1863 1864 1865 1866 1867 1868 1869
1870 1871 1872 1873 1874 1875 1876 1877 1878 1879
1880 1881 1882 1883 1884 1885 1886 1887 1888 1889
1890 1891 1892 1893 1894 1895 1896 1897 1898 1899
1900 1901 1902 1903 1904 1905 1906 1907 1908 1909
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The United States Patent and Trademark Office (USPTO)
Google Patents
Report of the Commissioner of Patents for the Year 1880